package com.jxnu.duewang.zmly.zouZhen.question;

import android.content.Context;
import androidx.recyclerview.widget.LinearLayoutManager;

import android.util.AttributeSet;

/**
 * Project Zmly
 * Author Duewang
 * Time 2016/12/10 0010
 */

public class DiscoverSpecialRecycleViewLayoutManager extends LinearLayoutManager {

//    private int[] mMeasuredDimension = new int[2];

    public DiscoverSpecialRecycleViewLayoutManager(Context context) {
        super(context);
    }

    public DiscoverSpecialRecycleViewLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
    }

//    @Override
//    public void onMeasure(RecyclerView.Recycler recycler, RecyclerView.State state,
//                          int widthSpec, int heightSpec) {
//
//        final int widthMode = View.MeasureSpec.getMode(widthSpec);
//        final int heightMode = View.MeasureSpec.getMode(heightSpec);
//        final int widthSize = View.MeasureSpec.getSize(widthSpec);
//        final int heightSize = View.MeasureSpec.getSize(heightSpec);
//
//        int width = 0;
//        int height = 0;
//        for (int i = 0; i < getItemCount(); i++) {
//            measureScrapChild(recycler, i,
//                    View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
//                    View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
//                    mMeasuredDimension);
//
//            if (getOrientation() == HORIZONTAL) {
//                width = width + mMeasuredDimension[0];
//                if (i == 0) {
//                    height = mMeasuredDimension[1];
//                }
//            } else {
//                height = height + mMeasuredDimension[1];
//                if (i == 0) {
//                    width = mMeasuredDimension[0];
//                }
//            }
//        }
//        switch (widthMode) {
//            case View.MeasureSpec.EXACTLY:
//                width = widthSize;
//            case View.MeasureSpec.AT_MOST:
//            case View.MeasureSpec.UNSPECIFIED:
//        }
//
//        switch (heightMode) {
//            case View.MeasureSpec.EXACTLY:
//                height = heightSize;
//            case View.MeasureSpec.AT_MOST:
//            case View.MeasureSpec.UNSPECIFIED:
//        }
//
//        setMeasuredDimension(width, height);
//    }
//
//    private void measureScrapChild(RecyclerView.Recycler recycler, int position, int widthSpec,
//                                   int heightSpec, int[] measuredDimension) {
//        try {
//            View view = recycler.getViewForPosition(0);//fix 动态添加时报IndexOutOfBoundsException
//
//            if (view != null) {
//                RecyclerView.LayoutParams p = (RecyclerView.LayoutParams) view.getLayoutParams();
//
//                int childWidthSpec = ViewGroup.getChildMeasureSpec(widthSpec,
//                        getPaddingLeft() + getPaddingRight(), p.width);
//
//                int childHeightSpec = ViewGroup.getChildMeasureSpec(heightSpec,
//                        getPaddingTop() + getPaddingBottom(), p.height);
//
//                view.measure(childWidthSpec, childHeightSpec);
//                measuredDimension[0] = view.getMeasuredWidth() + p.leftMargin + p.rightMargin;
//                measuredDimension[1] = view.getMeasuredHeight() + p.bottomMargin + p.topMargin;
//                recycler.recycleView(view);
//            }
//        } catch (Exception e) {
//            e.printStackTrace();
//        }
//    }

}
